@book{280,
	author = {Rich, Elainc and Knight, Kevin},
	title = {Artificial Intelligence /},
	publisher = {tata McGraw-Hill publishing company Lit,},
	year = {c1991 [Reprint 2004-2005].},
	address = {New Delhi :},
	edition = {2nd ed.},
	note = {Includes index}
}